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The light-second is a unit of length useful in astronomy, telecommunications and relativistic physics. It is defined as the distance that light travels in free space ..more definition+
The hand is a non-SI unit of measurement of length standardized to 4 inches (101.6 mm). It is used to measure the height of horses in some English-speaking countries, includi ..more definition+
In relation to the base unit of [length] => (meters), 1 Light Seconds (ls) is equal to 299800000 meters, while 1 Hands (h) = 0.1016 meters.21000 Light Seconds | to common length units |
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21000 ls | = 6295800000000 meters (m) |
21000 ls | = 6295800000 kilometers (km) |
21000 ls | = 6.2958E+14 centimeters (cm) |
21000 ls | = 20655511811024 feet (ft) |
21000 ls | = 2.4786614173228E+14 inches (in) |
21000 ls | = 6885170603674.5 yards (yd) |
21000 ls | = 3912028752.0878 miles (mi) |
21000 ls | = 0.00066544762710073 light years (ly) |
21000 ls | = 2.3795152604114E+16 pixels (PX) |
21000 ls | = 3.934875E+47 planck length (pl) |